<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>属性字段添加</title>
</head>
<body>
<form action="/april/addAttr">
&nbsp请修改属性：<input type="text" name="attrs" th:value="${attrs}">
&nbsp<input type="submit">
</form>
</body>
</html>